Immergas MAGIS M4-30 Use And Installation page 126

Supervision
Error
System Error Operation or protection anomaly
Code
Code
E8 9 Water flow fault.
Error of compressor intake tempera-
E9 10
ture sensor (Th).
Error of compressor drain tempera-
EA 11
ture sensor (Tp).
Error of solar panel temperature
Eb 12
sensor (Tsolar).
Error of low temperature sensor
EC 13
(Tbt2) of the thermostat manifold.
Error of inlet water temperature sen-
Ed 14
sor (Tw_in) of plate heat exchanger.
EEPROM fault of the main control
EE 15
board of hydraulic module.
Leakage fault on tank booster heater
EP 19
(TBH).
Cause of fault and corrective action
Check that all the shut-off valves of the water circuit are completely
open.
1. Check whether the water filter needs to be cleaned.
2. Chap. 9.5 Filling with water.
3. Make sure there is no air in the system (de-aeration).
4. Check the pressure of the water. The water pressure must be >1 bar.
5. Check that the pump speed is set at the maximum speed.
6. Make sure that the expansion vessel is not damaged.
7. Check that the pressure drops of the hydraulic circuit are not too
high for the pump (Chap. 10.4 The circulation pump).
8. If this error occurs during defrosting (during space heating or
domestic hot water heating), make sure that the power supply of the
backup heater is wired correctly and that the fuses are not blown.
9. Check that the fuse of the pump and the fuse of the PCB are not
blown.
1. Check the sensor resistance.
2. The connector of sensor Th is loose. Reconnect it.
3. The connector of sensor Th is wet or there is water inside. Remove
the water, dry the connector. Add waterproof adhesive.
4. Fault of sensor Th, replace it with a new sensor.
1. Check the sensor resistance.
2. The connector of sensor Tp is loose. Reconnect it.
3. The connector of sensor Tp is wet or there is water inside. Remove
the water, dry the connector. Add waterproof adhesive.
4. Fault of sensor Tp, replace it with a new sensor.
1. Check the sensor resistance.
2. The connector of sensor Tsolar is loose. Reconnect it.
3. The connector of sensor Tsolar is wet or there is water inside. Re-
move the water, dry the connector. Add waterproof adhesive.
4. Fault of sensor Tsolar, replace it with a new sensor.
1. Check the sensor resistance.
2. The connector of sensor Tbt2 is loose. Reconnect it.
3. The connector of sensor Tbt2 is wet or there is water inside. Remove
the water, dry the connector. Add waterproof adhesive.
4. Fault of sensor Tbt2, replace it with a new sensor.
1. Check the sensor resistance.
2. The connector of sensor Tw_in is loose. Reconnect it.
3. The connector of sensor Tw_in is wet or there is water inside. Re-
move the water, dry the connector. Add waterproof adhesive.
4. Fault of sensor Tw_in, replace it with a new sensor.
1. The EEprom parameter is in error, rewrite the EEprom data.
2. The EEprom component is damaged, replace the EEprom com-
ponent.
3. The main control board of the hydraulic module is damaged, replace
it with a new PCB.
Check device connected to the TBH outputs.
126